Physics - MOST IMPORTANT RRB RPF Previous Year Questions
Practice real questions from previous year exams of RRB RPF.
A UV light is passed from an optical fiber into air at an angle of 45° and the refractive index of the fiber is √2. The angle of refraction will be:
In the International System of Units (SI), which physical factor has the value 6.62607015×10⁻³⁴ joule-hertz⁻¹ ?
Select the correct statement about refractive index from among the following.
Which of the following is associated with strain?
Images those are formed on a screen is termed as:
The fourth state of matter 'PLASMA' is a/an ____________.
1 erg is equal to ____________.
Which equation demonstrates that electricity, magnetism and light are all manifestations of the electromagnetic field?
Which of the following optical instruments creates colourful beautiful patterns due to multiple reflections in plane mirrors?
The 130 th birth anniversary of Satyendra Nath Bose was observed on 1 January 2024. He was a renowned _________.
A lens has a power of -0.25D. What is the nature and focal length of this lens?
Which of the following is the most appropriate definition of Newton's second law?
Select the correct sequence of colour observed when white light gets dispersed through a prism.
Which statement is FALSE about particles of a matter?
The SI unit of electric charge is:
The right-hand rule of induced current was given by:
Which of the following is the standard unit of energy in the International System of Units (SI)?
Which law states that if a body is at rest or moving at a constant speed in a straight line, it will remain at rest or keep moving in a straight line at constant speed unless it is acted upon by a force?
On which of the following scientific principles does a steam engine work?
What is the SI unit of luminous intensity?